//获取当前时间
function getCurrentMonthFirst() {
    var date = new Date();
    var todate = date.getFullYear() + "-" + ((date.getMonth() + 1) < 10 ? ("0" + (date.getMonth() + 1)) : date.getMonth()+1) + "-" + (date.getDate() < 10 ? ("0" + date.getDate()) : date.getDate());
    return todate;
  }

/**
   * 传入时间后几天
   * param：传入时间：dates:"2018-04-02",later:往后多少天
   */
  function dateLater(dates, later) {
    let dateObj = {};
    let show_day = new Array('周日', '周一', '周二', '周三', '周四', '周五', '周六');
    let date = new Date(dates);
    date.setDate(date.getDate() + later);
    let day = date.getDay();
    dateObj.year = date.getFullYear();
    dateObj.month = ((date.getMonth() + 1) < 10 ? ("0" + (date.getMonth() + 1)) : date.getMonth()+1);
    dateObj.day = (date.getDate() < 10 ? ("0" + date.getDate()) : date.getDate());
    dateObj.week = show_day[day];
    return dateObj;
  }
//获取d当前时间多少天后的日期和对应星期
function getDates(days,todate=getCurrentMonthFirst()) {//todate默认参数是当前日期，可以传入对应时间
  var dateArry = [];
  var dateObj
  for (var i = 0; i < days; i++) {
    dateObj = dateLater(todate, i);
    dateArry.push(dateObj)
  }
  var ans = dateObj.year+"-"+dateObj.month+"-"+dateObj.day;
  console.log(ans);
  return ans;
  }

  module.exports = {
    getDates: getDates
  }